Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ba2863c758e3364…

MALICIOUS

PDF

34.2 KB Created: 2021-06-28 21:37:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d3f4a5b51ffd8a0c56e20192d7cddc75 SHA-1: 30ea76269e83b37f68e0332999ed1d31a3e75f09 SHA-256: 5ba2863c758e336479df597171bc02a31bcb7acaf2703220ebafc5fa4021f6d2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating it is a malicious redirector lure, specifically targeting users interested in game hacks for platforms like Roblox. The document body and extracted URLs confirm this lure, pointing to a known malicious redirector infrastructure. The primary purpose appears to be directing users to potentially harmful websites that may host further malware or phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://netcdn.co/app/431946152/como-tener-hacks-en-roblox-game-hack In PDF document text
    • http://library.apsidoarjo.ac.id/repository/how-to-play-minecraft-with-friends-for-free_GM479516143.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/free-robux-no-info-needed_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/coin-master-spin-ml_GM406889139.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/como-ser-hacker-en-roblox-2021_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/roblox-frisk-shirt-free_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/hack-account-roblox-wiki_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/super-nice-mml-hack-roblox_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/como-hackear-a-jugadores-de-roblox_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/cute-roblox-outfits-for-girls-for-free-ideas_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/robloxs-free-coloring-pages_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/body-roblox_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/mobile-for-free-24-roblox_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/pokemon-go-free-8-bit_GM1094591345.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/free-arsenal-hacks_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/roblox-studio-free_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/chicago-2021-free-model-roblox_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/code-for-adopt-me-roblox-for-free-money_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/how-to-play-any-roblox-game-for-free_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F8A 22252 bytes
SHA-256: 3defdfb82c4c008c296a59693b960eae68218ce7ec77ca676873549099e446b1
font_01_sfnt_off000060e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60E3 18916 bytes
SHA-256: f4aca776a6c2fb34878bb7eaba2af542a4ebbb8d8b21fd0d0bd526606acd1a67

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